Using Attic Heat To Heat Water

Water comes out of the ground at 56 degrees.

Using attic heat to heat water.

I tried cpvc first because it was easy. Over the period system performance data has been logged and proves the huge benefits of using attic heat especially from the perspectives. Make a big box. In other words an ac unit in the attic with the compressor end working thru or into the pool system.

You would need to insulate the preheat tank or coil heavily and then run the attic hot air from the attic peak through the insulated box only when the attic peak temperature exceeds the water tank temperature. I have read on this site that navien 240 is an option but longevity and hot water availability may be an issue. I have seen a couple of these. Stick in some pipe.

In the summertime the temperature. I began to experiment and. In the attic and hope for the best. Solarattic sells a system the pool convection system 2 that sucks hot air out of the attic of your house and pumps it into a heat exchanger to heat your pool.

Two prototype attic heat harvester systems designed to use attic heat were installed tested and enhanced over a period of two years the first system was installed in balerno near edinburgh scotland and the second in toledo ohio usa. I will be using propane as as the fuel type since gas is not available. That s why my interest in using the hot air but passing it over or thru a heat transfer mechanism cooling the attic and heating the dare i use the word freon transfer fluid. Once it is sufficiently warm it can be drained down for domestic use.

I was worried about condensation on the pipes and also concerned about freezing even though i. Connected to the inlet of the water heater. Attic reaches about 130 degrees in summer valves divert water directly to heater in winter. The house was built in 1991 and is well insulated.

This is a very different question than venting a bathroom fan or clothes dryer to the attic moist air as the heat pump takes humidity out of the air routes it to a condensation drain. I am removing the copper baseboard radiators and going to use the central ac ducts to provide forced air heat. Cpvc has a surprisingly high r value. In areas that do experience freezing a tank could be mounted on the finished side at the highest point of the ceiling.

Turn excess attic heat into hotwater step 1. In areas that don t experience freezing temperatures a tank of water can be placed in the attic. 4 cpvc pipe in the attic laying flat across the rafters with a drip pan.